Mernstack Developer

🚀 Hiring: MERN Stack Developer

⭐ Experience: 3+ Years

📍 Location: Bangalore

⭐ Work Mode:- Hybrid

⏱️ Notice Period: Immediate Joiners

(Only immediate joiners & candidates serving notice period)

We are looking for a MERN Stack Developer skilled in MongoDB, Express.js, React.js, and Node.js to build scalable, high-performing web applications.

💫 What We’re Looking For:

✅ Proficiency in React.js, Node.js, Express.js, MongoDB

✅Strong in JavaScript (ES6+), REST APIs, Git

✅Good problem-solving & debugging skills

Role Overview

We are looking for a Senior Full Stack Developer to build and scale our fintech platform. You will own the entire lifecycle of our financial products, from designing high-performance relational schemas in PostgreSQL to building interactive dashboards in React.

Key Responsibilities

• Full Stack Development: Build and maintain end-to-end features using the PERN stack

(PostgreSQL, Express.js, React, Node.js).

• Database Optimization: Design complex relational models and optimize SQL queries to

handle high-volume financial data and audit trails.

• Security & Compliance: Implement rigorous security measures (e.g., JWT, OAuth, data

encryption) and ensure the platform adheres to fintech standards like PCI-DSS.

• API Architecture: Develop robust RESTful APIs to integrate with third-party banking APIs,

payment processors (Stripe/Plaid), and KYC providers.

Technical Requirements

• Front-end: Advanced proficiency in React.js (Hooks, Context API, Redux or TanStack Query)

and modern CSS (Tailwind/Styled Components).

• Back-end: Expert-level Node.js and Express.js experience, with a focus on asynchronous

programming and secure API design.

• Database: Deep knowledge of PostgreSQL (complex joins, indexing, triggers, and

migrations).

Additional skills

• Understanding of Event-Driven Architecture (using AWS SQS/SNS or Kafka).

• Familiarity with SOC2 or ISO 27001 compliance frameworks.

• Cloud (AWS): Proven experience with:

• RDS/Aurora for managed databases.
• IAM for secure access management.
• AWS Lambda & API Gateway for serverless architecture.
• CloudWatch for monitoring and alerting.

• Tools: Git, Docker, and experience with CI/CD workflows.

About US

RJ Fintech Solutions Pvt. Ltd. is a high-growth fintech startup on a mission to automate business financial operations. In a world where financial systems are often slow and opaque, we are building the "missing link"—a secure, transparent, and lightning-fast platform that puts banking and compliance first for various corporates.

We are not just another financial app; we are an engineering-first company. We believe that elegant code and robust architecture are the foundations of trust. By leveraging the PERN stack and AWS cloud-native infrastructure, we are replacing legacy complexity with modern, scalable solutions.

Why Work With Us?

1. Build the Foundation, Not Just Features

You won't be a small cog in a massive machine. As an early member of our engineering team, you will help define our technical architecture, choose our libraries, and set the coding standards for everyone who follows. Your fingerprints will be on the core DNA of our product.

2. Solve Problems That Matter

Fintech is one of the few industries where code has a direct, measurable impact on people's lives.

Whether we are [e.g., simplifying cross-border payments, democratizing investment, or building the next generation of credit], you will be solving high-stakes challenges around security, trust, and financial inclusion.

🚀 We’re Hiring: React + Node.js Developer (Full Stack)

📍 Location: Pune

💼 Experience: 5–8 years

🕒 Notice Period: Immediate to 15 days

About the Role:

We’re looking for a skilled Full Stack Developer with hands-on experience in React and Node.js, and a passion for building scalable, high-performance applications.

Key Skills & Responsibilities:

Strong expertise in React (frontend) and Node.js (backend).

Experience with relational databases (PostgreSQL / MySQL).

Familiarity with production systems and cloud services (AWS / GCP).

Strong grasp of OOP / FP and clean coding principles (e.g., SOLID).

Hands-on with Docker, and good to have exposure to Kubernetes, RabbitMQ, Redis.

Experience or interest in AI APIs & tools is a plus.

Excellent communication and collaboration skills.

Bonus: Contributions to open-source projects.

We are looking for a Laravel Developer to join our team! You will be responsible for building and maintaining web applications using Laravel.

We are looking for an experienced Back-end developer to join our IT team. You will be responsible for the server side of our web applications. If you have excellent programming skills and a passion for developing applications or improving existing ones, we would like to meet you. As a Back-end developer, you’ll work closely with our engineers to ensure system consistency and improve user experience. Ultimately, you should be able to develop and maintain functional and stable web applications to meet our company’s needs.

Responsibilities-

• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Perform UI tests to optimize performance
• Manage cutting-edge technologies to improve legacy applications
• Gather and address technical and design requirements
• Provide training and support to internal teams
• Build reusable code and libraries for future use
• Liaise with developers, designers and system administrators to identify new features
• Follow emerging technologies

We’re seeking a talented developer to help build our platform from the ground up. As a critical member of a dynamic and highly-motivated team, you will take a critical developers role, and will be responsible for designing & coding new functionality from scratch.

Looking for folks with a hacker mindset

• Write “clean” and well-designed & scalable code
• Maniacal about creating flawless & defect-free delivery
• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
• Maintain a positive and healthy work environment within the team and have fun while doing it
• Contribute in all phases of the development lifecycle right from requirements through till deployment

• Expert knowledge of C#, .Net and MS SQL
• ANGULAR Experience would be a huge plus
• Ability to work independently
• Proficient understanding of web markup, including HTML 5/CSS 3
• Proficient understanding of client-side scripting and JavaScript frameworks (Angular, JQuery, React, Vue)
• Excellent English communication, presentation, and interpersonal skills
• Time management and organizational skills